procps/testsuite/uptime.test/uptime.exp

#
# Dejagnu tests for uptime - part of procps
#
set uptime "${topdir}src/uptime"

set test "uptime"
spawn $uptime
expect_pass "$test" "^\\s+\\d{2}:\\d{2}:\\d{2} up (\\d+ days?,)?\\s*\\d+( min|:\\d+), +\\d+ users?, +load average: \[0-9.\]+, \[0-9.\]+, \[0-9.\]+\\s*$"

set test "uptime since option"
spawn $uptime --since
expect_pass "$test" "^\\d{4}-\\d{2}-\\d{2} \\d{2}:\\d{2}:\\d{2}\\s*$"

set test "uptime pretty option"
spawn $uptime --pretty
expect_pass "$test" "up (\\d+ decades?, )?(\\d+ years?, )?(\\d+ weeks?, )?(\\d+ days?, )?(\\d+ hours?, )?(\\d+ minutes?)\\s*$"